Cunningham was the San Diego Chargers defensive line coach for six seasons (1985-90) after originally being hired by the team’s player personnel department. During those six seasons, the chargers led the AFC in sacks three times and garnered a club record 62.0 in 1986. As the defensive line coach, he developed DE Lee Williams and DE Leslie O’Neil into Pro Bowl players.

Cunningham was the San Diego Chargers defensive line coach for six seasons (1985-90) after originally being hired by the team’s player personnel department. During those six seasons, the chargers led the AFC in sacks three times and garnered a club record 62.0 in 1986. As the defensive line coach, he developed DE Lee Williams and DE Leslie O’Neil into Pro Bowl players.